Apple Variety Identification Using Near-Infrared Spectroscopy

Table 2

The contribution and accumulative contribution rates of the first 8 PCs of the spectra.

PCs	PC1	PC2	PC3	PC4	PC5	PC6	PC7	PC8
Contribution rate (%)	87.47	7.14	2.97	0.87	0.52	0.30	0.14	0.08
Accumulative contribution rate (%)	87.47	94.61	97.58	98.45	98.97	99.27	99.41	99.49